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Open-File Reports  [107]

Persistent link to this collection: http://hdl.handle.net/11299/92918

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Industrial minerals of the Upper Midwest; Proceedings of the 51st Forum on the Geology of Industrial Minerals, presented in cooperation with the Annual Conference of the Twin Cities Subsection of the Society for Mining, Metallurgy & Exploration (SME), August 17 – 20, 2015

Thorleifson, L.H. (Minnesota Geological Survey, 2016)
On August 17 – 20, 2015, the Twin Cities Subsection of the Society for Mining, Metallurgy & Exploration (SME) hosted the 51st Forum on the Geology of Industrial Minerals. The theme of the meeting, whose conference sessions ...

Quaternary stratigraphy of Minnesota: statewide cross-sections, Minnesota Geological Survey Open-File Report 16-1

Lusardi, B.A.; Gowan, A.S.; Meyer, G.N.; Thorleifson, L.H. (Minnesota Geological Survey, 2016)
Seven cross sections were constructed as part of our comprehensive plan to formally define and map Quaternary lithostratigraphic units across Minnesota.

HYDRAULIC CONDUCTIVITY AND HYDROSTRATIGRAPHY OF THE PLATTEVILLE FORMATION, TWIN CITIES METROPOLITAN AREA, MINNESOTA

Runkel, Anthony C.; Steenberg, Julia R.; Tipping, Robert G.; Jansen, Steve; Retzler, Andrew J. (Minnesota Geological Survey, 2015)
This report synthesizes a large body of data that provide a better understanding of the hydrogeologic characteristics of the Ordovician Platteville Formation in the Twin Cities Metropolitan Area (TCMA). The carbonate-dominated ...

Geologic Atlas User's Guide: Using Geologic Maps and Databases for Resource Management and Planning

Setterholm, Dale, R. (Minnesota Geological Survey, 2014)
A geologic atlas is intended to describe the geologic framework of our home and how the subsurface environment provides the resources we need. It describes the materials and features that begin just beneath the soil and ...

OFR14-05, A HYDROCHEMICAL SURVEY OF GROUNDWATER FLOW IN THE ROCHESTER METROPOLITAN AREA, MINNESOTA

Tipping, Robert G. (Minnesota Geological Survey, 2014)
Historical chemical and isotopic data from Olmsted County, Minnesota were used to distinguish groundwater types based on similar chemical and isotopic composition. The extent of recent waters, identified by detectible ...

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